An international team of scientists discovered two new species of clown tree frogs in the Amazon region. Until recently, these colorful amphibians had erroneously been considered part of another ...

Climate change, habitat destruction, the illegal pet trade and the spread of a severe and incurable fungus have been killing off amphibian species in droves in Costa Rica since the late 1980s. Many ...

Amphibians — cold-blooded animals that include frogs, toads, salamanders, newts and caecilians — are in big trouble. More than one third of the world’s 6,500 known species are threatened with ...